Home / 197,576.10-272,637.77-116,989.20

Finding the Fourth Proportional to 197,576.10, 272,637.77 and 116,989.20

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Solution

The fourth proportional to 197,576.10, 272,637.77 and 116,989.20 is: 161,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,576.10 : 272,637.77 = 116,989.20 : x
  2. Step 2: Convert to fraction form
    197,576.10/272,637.77 = 116,989.20/x
  3. Step 3: Cross multiply
    197,576.10x = 272,637.77 × 116,989.20
  4. Step 4: Simplify right side
    197,576.10x = 31,895,674,017.14
  5. Step 5: Solve for x
    x = 31,895,674,017.14/197,576.10
  6. Step 6: Final answer
    x = 161,434.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.